Stats: Modeling the World Nasta Edition Grades 9-12
Stats: Modeling the World Nasta Edition Grades 9-12
3rd Edition
ISBN: 9780131359581
Author: David E. Bock, Paul F. Velleman, Richard D. De Veaux
Publisher: PEARSON
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Chapter 15, Problem 14E
To determine

To find: the probability that she would end up paying more than $100 to repair the pollution control system.

Expert Solution & Answer
Check Mark

Answer to Problem 14E

0.08

Explanation of Solution

Given:

  P(F)=0.2

  P(E/F)=0.4

Formula used:

  P(E/F)=P(EF)P(F)

Calculation:

F = car’s pollution control system is faulty

E = exceeds $100 to repair the system

  P(EF)=P(E/F)×P(F)=(0.4)(0.2)=0.08

Therefore 8% of cars pay more than $ 100 to repair control system.

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